Hooligan - that's exactly the type of route I'm talking about. Do you have any special procedures for traffic avoidance on these routes, especially in IMC? How big a part does TCAS play?
And the same question to 604guy, assuming you're talking about uncontrolled airspace.
Keithl - no, it's not specifically a UK question. I'm actually thinking about the safety aspects of a UK IMC-rating holder flying in IMC where no LARS is available, so I'm interested to know what procedures the commercial guys use and which of those procedures might be applicable to light aircraft (on the assumption that everything which commercial pilots do should, in theory at least, be statistically very safe). I think foreign pilots' experiences are just as valid as UK pilots' for this purpose, except that many countries will have far less traffic than parts of the UK.
FFF
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